E’s P’s Flashcards
Engine oil pressure limits
Min @ gnd idle : 5 psi
Min pressure for NG : 80 - 95 = 32 PSI
Min pressure equal to or greater than 95 = 50psi
Normal operation = 35-90 psi
Max for contingency power 110 psi
Max for cold wx starts = 150 psi
Engine oil temperature limit
149C
Transmission oil temperature limit
140C
Transmission oil pressure limits
Min at gnd idle = 7psi
Min at 100% NR = 20psi
Normal operation = 20-90 psi
NR limits
Min transient power on = 91
Transient = 91-97
Normal = 97-101
Transient= 101-106
Max transient power on = 106
Max transient during auto = 108
Max transient =111
The APu shall not be started with a tailwind in excess of
25 knots
Main engines shall not be started with a tailwind in excess of
10 knots
Flight control hydraulic pressure limits
Low limit = 2500 psi
Normal = 2500-3200 psi
High limit = 3200 psi
Utility systems hydraulic pressure
Low limit = 2500 psi
Normal = 2500-3500 psi
High limit = 3500 psi
Hydraulic system temperature
Maximum = 120 C
Caution = 95-120 C
PTIT limits
Max continuous = 816 C
Max for not more than 30 min = 854 C
Max for not more than 10 min = 899 C
Max for not more than 2.5 min = 932 C
Max for not more than 12 sec = 943 C
Max for not more than 4 sec = 943 C
943 never exceed
Gas generator (NG) limits
Ground idle minimum = 50%
Maximum = 111%
Power turbine (NP) limits
Maximum = 111.5%
Hook limits
Center hook = 26000 lbs
Fwd hook = 17000 lbs
Aft hook = 17000 lbs
Tandem lift = 25000 lbs
Winch Limits
Straight line pull = 3000
One pulley = 6000
Two pulleys = 9000
Three pulleys = 12000
Max and min airspeed limits
Max crosswind or sideward flight = 45 knots
Max airspeed in rearward flight = 40 Kcas
Max tailwind for hover = 40 kcas
Max airspeed Lower section cabin door open and locked = 60 kcas
Rescue hatch shall not be opened or closed above = 90 kcas
Windshield wipers off above 130 kcas
Upper section cabin door = 100 kcas
Left side escape hatch = do not install or remove hatch in forward flight
Sling or hook fail tandem load = 60 kcas
DAFCS limits
Single dafcs = 100 kcas
2 dafcs = 160 kcas
Both disabled = 100 kcas
Maneuvering limits
Aerobatics prohibited
30 pitch
60 roll
Bank limits
Operative CGI = 60 degrees
BALT/RALT = 45 degrees
Inoperative CGI = figure 5-12
Landing Limits
Max ground speed for roll on = 60KGS
Max nose up attitude for landing = 20 degrees
Max rate of descent for weights :
up to 33000 lbs = 492 fpm
33000-40000 = 450 fpm
Above 40000 = 360 fpm
Ground operation limits
Right or left directional pedal = .75 inches
Aft cyclic = 2 inches
Lateral cyclic = 1 inch
Thrust cont lever = no lower than ground detent
Pitot Heat switch shall not be on more than 5 min on the ground
Windshield heat shall not be used above 24 C
Max rate refuel 300 gpm at 55 psi
